{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In contrast , silver ions increased NR uptake ( ca . 10 % ) in RBE4 cells after 1h , while a reduction in NR uptake was observed after 24h exposure at high concentrations ( 20 - 30 mu M ) ."}
{"Chemical": ["silver"]}